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Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified | 0 Months Ended | 1 Months Ended | 6 Months Ended |  | 0 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 11, 2013 | Dec. 19, 2008 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 19, 2008 Common Stock | May 15, 2013 Preferred Stock | May 09, 2012 Preferred Stock | Dec. 19, 2008 Preferred Stock
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Number of shares issued |  |  |  |  |  |  |  | 30,255
Par value of share issued (in dollars per share) |  |  |  |  |  |  |  | $ 1,000
Term of warrants |  | 10 years |  |  |  |  |  |
Number of common shares called per warrant |  |  |  |  | 287,133 |  |  |
Number of shares redeemed |  |  |  |  |  | 18,255 | 12,000 |
Repurchase price of warrant | $ 540 |  | $ 0 | $ 540 |  |  |  |
Repurchase price of warrant (in dollars per share) | $ 1.88 |  |  |  |  |  |  |

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